On Thu, Aug 17, 2023 at 3:04 AM Nícolas F. R. A. Prado <nfraprado@xxxxxxxxxxxxx> wrote: > > From: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx> > > Add the required nodes to enable the DisplayPort interface, connected > to the Embedded DisplayPort port, where we have an internal display. > > Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx> > [nfraprado: removed always-on, added vin-supply and enable delay] > Signed-off-by: Nícolas F. R. A. Prado <nfraprado@xxxxxxxxxxxxx> Reviewed-by: Chen-Yu Tsai <wenst@xxxxxxxxxxxx> Tested-by: Chen-Yu Tsai <wenst@xxxxxxxxxxxx> > --- > The MediaTek DRM changes needed for MT8195 have already been queued for > v6.6 [1], so this DT patch is the last missing piece needed to get > a working display on MT8195 Tomato. > > [1] https://lore.kernel.org/all/20230813152726.14802-1-chunkuang.hu@xxxxxxxxxx/ > > Changes in v3: > - Split from "MT8195 Acer Tomato - devicetrees Part 3" series The platform thermal patch from that series hasn't been merged either? > - Removed regulator-always-on as it's no longer needed > - Added missing vin-supply and regulator-enable-delay > > .../boot/dts/mediatek/mt8195-cherry.dtsi | 33 +++++++++++++++++++ > 1 file changed, 33 insertions(+) > > diff --git a/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi b/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi > index 37a3e9de90ff..dd5b89b73190 100644 > --- a/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi > +++ b/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi > @@ -47,6 +47,19 @@ memory@40000000 { > reg = <0 0x40000000 0 0x80000000>; > }; > > + pp3300_disp_x: regulator-pp3300-disp-x { > + compatible = "regulator-fixed"; > + regulator-name = "pp3300_disp_x"; > + regulator-min-microvolt = <3300000>; > + regulator-max-microvolt = <3300000>; > + regulator-enable-ramp-delay = <2500>; > + enable-active-high; > + gpio = <&pio 55 GPIO_ACTIVE_HIGH>; > + pinctrl-names = "default"; > + pinctrl-0 = <&panel_fixed_pins>; > + vin-supply = <&pp3300_z2>; > + }; > + > /* system wide LDO 3.3V power rail */ > pp3300_z5: regulator-pp3300-ldo-z5 { > compatible = "regulator-fixed"; > @@ -217,6 +230,20 @@ port@1 { > reg = <1>; > edp_out: endpoint { > data-lanes = <0 1 2 3>; > + remote-endpoint = <&panel_in>; > + }; > + }; > + }; > + > + aux-bus { > + panel { > + compatible = "edp-panel"; > + power-supply = <&pp3300_disp_x>; > + backlight = <&backlight_lcd0>; > + port { > + panel_in: endpoint { > + remote-endpoint = <&edp_out>; > + }; > }; > }; > }; > @@ -881,6 +908,12 @@ pins-bus { > }; > }; > > + panel_fixed_pins: panel-pwr-default-pins { > + pins-vreg-en { > + pinmux = <PINMUX_GPIO55__FUNC_GPIO55>; > + }; > + }; > + > pio_default: pio-default-pins { > pins-wifi-enable { > pinmux = <PINMUX_GPIO58__FUNC_GPIO58>; > -- > 2.41.0 >
